Weerasinghe, Pradeep Neel උසස් විභාග සඳහා බදුකරණය = usas vibaaga sadahaa badukaranaya - Galle: Thusitha Book Shop, 2007. - ix,440p.; 21cm ISBN: 978-955-1419-14-1 Subjects--Topical Terms: TaxationCommerce Dewey Class. No.: 381.7 / WEE